HP 14 Wifi AC Upgrade

[cpt]

Hi,

i have some

HP 14-am017ng 

it has an 
quad Pentium N3710
4gb SO DIMM RAM
Full HD Display 14"
128 SSD


and some very slow wifi g+n

i want to upgrade with Intel 7260.HMWWB.R Dual Band Wireless-AC 7260-PCIe WLAN / 802.11AC

what i need to do ?
can you make me a working bios upgrade or can i do it without it ?


Kind regards,
cpt

[cpt]

is this the wrong section for my question ? or what can i do...

thanks